Isoworld can render 3D isometric cubes from three page elements. It takes the identifiers of three page elements and adjusts their CSS transform properties so they form the faces of a cube which appears in the page with the 3D isometric perspective. It can also use a fourth element to be displayed as the shadow of the cube on top of another element which appears as the ground.
Canvas Turtle is an object that interprets and renders graphic commands in a Canvas. It provides an API for rendering basic drawing primitives in 2D and includes commands that define the position of the graphics to be rendered, conditionals, loops, and so on. Commands are supplied as text strings with a simple syntax.